java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dd2f093 [2018-07-23 20:17:25,822 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 20:17:25,824 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 20:17:25,840 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 20:17:25,840 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 20:17:25,843 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 20:17:25,844 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 20:17:25,847 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 20:17:25,850 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 20:17:25,851 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 20:17:25,852 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 20:17:25,852 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 20:17:25,853 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 20:17:25,854 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 20:17:25,857 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 20:17:25,858 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 20:17:25,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 20:17:25,864 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 20:17:25,869 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 20:17:25,871 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 20:17:25,875 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 20:17:25,878 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 20:17:25,880 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 20:17:25,881 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 20:17:25,881 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 20:17:25,882 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 20:17:25,883 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 20:17:25,884 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 20:17:25,884 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 20:17:25,885 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 20:17:25,886 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 20:17:25,886 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 20:17:25,887 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 20:17:25,887 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 20:17:25,888 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 20:17:25,888 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 20:17:25,889 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default-old.epf [2018-07-23 20:17:25,917 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 20:17:25,917 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 20:17:25,918 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-07-23 20:17:25,919 INFO L133 SettingsManager]: * User list type=DISABLED [2018-07-23 20:17:25,919 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-07-23 20:17:25,919 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-07-23 20:17:25,919 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-07-23 20:17:25,919 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-07-23 20:17:25,920 INFO L133 SettingsManager]: * Log string format=TERM [2018-07-23 20:17:25,920 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-07-23 20:17:25,920 INFO L133 SettingsManager]: * Interval Domain=false [2018-07-23 20:17:25,921 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-07-23 20:17:25,921 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-07-23 20:17:25,922 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-07-23 20:17:25,922 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-07-23 20:17:25,922 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-07-23 20:17:25,922 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-07-23 20:17:25,922 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-07-23 20:17:25,922 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-07-23 20:17:25,923 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 20:17:25,923 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-07-23 20:17:25,923 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-07-23 20:17:25,923 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-07-23 20:17:25,924 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 20:17:25,924 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 20:17:25,924 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-07-23 20:17:25,924 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-07-23 20:17:25,924 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-07-23 20:17:25,925 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-23 20:17:25,925 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-07-23 20:17:25,925 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 20:17:25,925 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-07-23 20:17:25,925 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-07-23 20:17:25,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 20:17:25,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 20:17:25,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 20:17:25,997 INFO L271 PluginConnector]: Initializing CDTParser... [2018-07-23 20:17:25,998 INFO L276 PluginConnector]: CDTParser initialized [2018-07-23 20:17:25,999 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-07-23 20:17:26,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/108b8ec83/d7b943c6e84b44f49edc405e19e3fb6c/FLAG066817cc7 [2018-07-23 20:17:26,643 INFO L276 CDTParser]: Found 1 translation units. [2018-07-23 20:17:26,644 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label23_true-unreach-call_false-termination.c [2018-07-23 20:17:26,667 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/108b8ec83/d7b943c6e84b44f49edc405e19e3fb6c/FLAG066817cc7 [2018-07-23 20:17:26,690 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/108b8ec83/d7b943c6e84b44f49edc405e19e3fb6c [2018-07-23 20:17:26,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 20:17:26,708 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-07-23 20:17:26,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-07-23 20:17:26,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-07-23 20:17:26,716 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-07-23 20:17:26,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:17:26" (1/1) ... [2018-07-23 20:17:26,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc1b461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:17:26, skipping insertion in model container [2018-07-23 20:17:26,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 08:17:26" (1/1) ... [2018-07-23 20:17:26,923 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-07-23 20:17:27,180 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:17:27,199 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-07-23 20:17:27,340 INFO L175 PostProcessor]: Settings: Checked method=main [2018-07-23 20:17:27,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:17:27 WrapperNode [2018-07-23 20:17:27,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-07-23 20:17:27,388 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-23 20:17:27,388 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-23 20:17:27,388 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-23 20:17:27,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:17:27" (1/1) ... [2018-07-23 20:17:27,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:17:27" (1/1) ... [2018-07-23 20:17:27,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-23 20:17:27,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 20:17:27,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 20:17:27,513 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 20:17:27,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:17:27" (1/1) ... [2018-07-23 20:17:27,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:17:27" (1/1) ... [2018-07-23 20:17:27,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:17:27" (1/1) ... [2018-07-23 20:17:27,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:17:27" (1/1) ... [2018-07-23 20:17:27,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:17:27" (1/1) ... [2018-07-23 20:17:27,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:17:27" (1/1) ... [2018-07-23 20:17:27,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:17:27" (1/1) ... [2018-07-23 20:17:27,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 20:17:27,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 20:17:27,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 20:17:27,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 20:17:27,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:17:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-07-23 20:17:27,850 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-23 20:17:27,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_output [2018-07-23 20:17:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-07-23 20:17:27,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-07-23 20:17:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 20:17:27,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 20:17:27,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 20:17:27,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 20:17:31,666 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 20:17:31,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:17:31 BoogieIcfgContainer [2018-07-23 20:17:31,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 20:17:31,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 20:17:31,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 20:17:31,672 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 20:17:31,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 08:17:26" (1/3) ... [2018-07-23 20:17:31,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7d1edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:17:31, skipping insertion in model container [2018-07-23 20:17:31,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 08:17:27" (2/3) ... [2018-07-23 20:17:31,674 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a7d1edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 08:17:31, skipping insertion in model container [2018-07-23 20:17:31,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 08:17:31" (3/3) ... [2018-07-23 20:17:31,676 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label23_true-unreach-call_false-termination.c [2018-07-23 20:17:31,687 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-07-23 20:17:31,698 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 20:17:31,752 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 20:17:31,753 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 20:17:31,753 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 20:17:31,753 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-07-23 20:17:31,753 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 20:17:31,753 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 20:17:31,754 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 20:17:31,754 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 20:17:31,754 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 20:17:31,784 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-07-23 20:17:31,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 20:17:31,796 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:17:31,798 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:17:31,798 INFO L414 AbstractCegarLoop]: === Iteration 1 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:17:31,804 INFO L82 PathProgramCache]: Analyzing trace with hash -930627200, now seen corresponding path program 1 times [2018-07-23 20:17:31,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:17:31,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:17:31,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:17:31,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:17:31,853 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:17:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:17:32,452 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:17:32,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:17:32,573 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:17:32,573 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 20:17:32,573 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:17:32,580 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 20:17:32,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 20:17:32,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:17:32,600 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-07-23 20:17:34,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:17:34,412 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-07-23 20:17:34,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 20:17:34,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-07-23 20:17:34,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:17:34,435 INFO L225 Difference]: With dead ends: 550 [2018-07-23 20:17:34,436 INFO L226 Difference]: Without dead ends: 340 [2018-07-23 20:17:34,442 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 20:17:34,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-07-23 20:17:34,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-07-23 20:17:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-07-23 20:17:34,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-07-23 20:17:34,524 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 102 [2018-07-23 20:17:34,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:17:34,525 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-07-23 20:17:34,526 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 20:17:34,526 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-07-23 20:17:34,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-07-23 20:17:34,533 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:17:34,533 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:17:34,534 INFO L414 AbstractCegarLoop]: === Iteration 2 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:17:34,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1741540835, now seen corresponding path program 1 times [2018-07-23 20:17:34,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:17:34,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:17:34,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:17:34,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:17:34,536 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:17:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:17:34,724 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:17:34,725 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 20:17:34,725 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-07-23 20:17:34,725 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:17:34,727 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 20:17:34,728 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 20:17:34,728 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-07-23 20:17:34,728 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-07-23 20:17:36,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:17:36,839 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-07-23 20:17:36,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 20:17:36,840 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2018-07-23 20:17:36,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:17:36,847 INFO L225 Difference]: With dead ends: 888 [2018-07-23 20:17:36,848 INFO L226 Difference]: Without dead ends: 554 [2018-07-23 20:17:36,851 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-07-23 20:17:36,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-07-23 20:17:36,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-07-23 20:17:36,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-07-23 20:17:36,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-07-23 20:17:36,888 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 113 [2018-07-23 20:17:36,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:17:36,889 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-07-23 20:17:36,889 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 20:17:36,889 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-07-23 20:17:36,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 20:17:36,893 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:17:36,893 INFO L353 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:17:36,893 INFO L414 AbstractCegarLoop]: === Iteration 3 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:17:36,894 INFO L82 PathProgramCache]: Analyzing trace with hash 2089434803, now seen corresponding path program 1 times [2018-07-23 20:17:36,894 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:17:36,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:17:36,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:17:36,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:17:36,895 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:17:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:17:37,159 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-07-23 20:17:37,239 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:17:37,240 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:17:37,240 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:17:37,241 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 115 with the following transitions: [2018-07-23 20:17:37,244 INFO L201 CegarAbsIntRunner]: [0], [4], [8], [12], [15], [16], [20], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [176], [180], [184], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [407], [415], [423], [431], [439], [447], [451], [453], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-07-23 20:17:37,317 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:17:37,317 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 20:19:10,702 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 20:19:10,704 INFO L272 AbstractInterpreter]: Visited 105 different actions 169 times. Merged at 4 different actions 4 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-07-23 20:19:10,719 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-07-23 20:19:21,039 INFO L232 lantSequenceWeakener]: Weakened 112 states. On average, predicates are now at 80.37% of their original sizes. [2018-07-23 20:19:21,040 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 20:19:24,625 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-07-23 20:19:24,626 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-07-23 20:19:24,626 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [7] total 22 [2018-07-23 20:19:24,626 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-07-23 20:19:24,627 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 20:19:24,627 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 20:19:24,628 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2018-07-23 20:19:24,628 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 17 states. [2018-07-23 20:20:03,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 20:20:03,727 INFO L93 Difference]: Finished difference Result 1319 states and 2072 transitions. [2018-07-23 20:20:03,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 20:20:03,728 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 114 [2018-07-23 20:20:03,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 20:20:03,732 INFO L225 Difference]: With dead ends: 1319 [2018-07-23 20:20:03,732 INFO L226 Difference]: Without dead ends: 597 [2018-07-23 20:20:03,735 INFO L573 BasicCegarLoop]: 2 DeclaredPredicates, 129 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=226, Invalid=830, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 20:20:03,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2018-07-23 20:20:03,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2018-07-23 20:20:03,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2018-07-23 20:20:03,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 853 transitions. [2018-07-23 20:20:03,764 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 853 transitions. Word has length 114 [2018-07-23 20:20:03,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 20:20:03,765 INFO L471 AbstractCegarLoop]: Abstraction has 597 states and 853 transitions. [2018-07-23 20:20:03,765 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 20:20:03,765 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 853 transitions. [2018-07-23 20:20:03,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 20:20:03,767 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 20:20:03,768 INFO L353 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-07-23 20:20:03,768 INFO L414 AbstractCegarLoop]: === Iteration 4 === [__U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_eca_rers_____Problem___label___true_unreach_call_false_termination_c__calculate_outputErr0AssertViolationERROR_FUNCTION]=== [2018-07-23 20:20:03,768 INFO L82 PathProgramCache]: Analyzing trace with hash 1665896344, now seen corresponding path program 1 times [2018-07-23 20:20:03,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-07-23 20:20:03,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:20:03,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-07-23 20:20:03,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-07-23 20:20:03,770 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-07-23 20:20:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 20:20:04,051 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 20:20:04,051 INFO L297 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-07-23 20:20:04,051 INFO L191 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-07-23 20:20:04,052 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 125 with the following transitions: [2018-07-23 20:20:04,052 INFO L201 CegarAbsIntRunner]: [0], [3], [4], [8], [12], [16], [19], [20], [24], [28], [32], [36], [40], [44], [48], [52], [56], [60], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [164], [168], [172], [176], [180], [184], [188], [192], [196], [200], [204], [208], [212], [216], [220], [224], [228], [232], [236], [240], [244], [248], [252], [256], [260], [264], [271], [279], [287], [295], [303], [311], [319], [327], [335], [343], [351], [359], [367], [375], [383], [391], [399], [407], [415], [423], [431], [439], [447], [451], [453], [755], [756], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-07-23 20:20:04,060 INFO L148 AbstractInterpreter]: Using domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-07-23 20:20:04,062 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2018-07-23 20:21:38,030 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-07-23 20:21:38,031 INFO L272 AbstractInterpreter]: Visited 106 different actions 172 times. Merged at 5 different actions 5 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-07-23 20:21:38,042 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates Received shutdown request... [2018-07-23 20:21:46,486 INFO L232 lantSequenceWeakener]: Weakened 122 states. On average, predicates are now at 80.39% of their original sizes. [2018-07-23 20:21:46,487 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-07-23 20:21:46,517 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 20:21:46,521 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 20:21:46,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 08:21:46 BoogieIcfgContainer [2018-07-23 20:21:46,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 20:21:46,522 INFO L168 Benchmark]: Toolchain (without parser) took 259816.24 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 2.4 GB in the end (delta: -952.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-07-23 20:21:46,523 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 20:21:46,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2018-07-23 20:21:46,525 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 20:21:46,526 INFO L168 Benchmark]: Boogie Preprocessor took 260.18 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 763.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -855.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2018-07-23 20:21:46,526 INFO L168 Benchmark]: RCFGBuilder took 3894.85 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 121.1 MB). Peak memory consumption was 121.1 MB. Max. memory is 7.1 GB. [2018-07-23 20:21:46,527 INFO L168 Benchmark]: TraceAbstraction took 254853.10 ms. Allocated memory was 2.3 GB in the beginning and 3.6 GB in the end (delta: 1.3 GB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -263.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-07-23 20:21:46,532 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.26 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 124.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 260.18 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 763.9 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -855.2 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3894.85 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 121.1 MB). Peak memory consumption was 121.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 254853.10 ms. Allocated memory was 2.3 GB in the beginning and 3.6 GB in the end (delta: 1.3 GB). Free memory was 2.1 GB in the beginning and 2.4 GB in the end (delta: -263.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 461]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 461). Cancelled while BasicCegarLoop was analyzing trace of length 125 with TraceHistMax 3, while AbsIntCurrentIteration was generating AI predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 3 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. TIMEOUT Result, 254.7s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 43.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 469 SDtfs, 1920 SDslu, 591 SDs, 0 SdLazy, 2630 SolverSat, 593 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 144 GetRequests, 102 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=597occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 187.4s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9931125612708912 AbsIntWeakeningRatio, 0.2711864406779661 AbsIntAvgWeakeningVarsNumRemoved, 136.14830508474577 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 15 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 329 NumberOfCodeBlocks, 329 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 326 ConstructedInterpolants, 0 QuantifiedInterpolants, 110100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 11/17 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label23_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-07-23_20-21-46-547.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Problem01_label23_true-unreach-call_false-termination.c_svcomp-Reach-64bit-Taipan_Default-old.epf_AutomizerCInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_20-21-46-547.csv Completed graceful shutdown